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Table 3 Reported time spent for work and private related activities on the internet among problematic internet users compared with normal internet users

From: Problematic internet use and psychiatric co-morbidity in a population of Japanese adult psychiatric patients

Activities

Normal internet users, n (%) (N = 173)

Problematic internet users, n (%) (N = 58)

p (Mann–Whitney U test)

None

<30 m

30 m-1 h

1 h–3 h

3 h–5 h

>5 h

None

<30 m

30 m-1 h

1 h–3 h

3 h–5 h

>5 h

Work

51(29.5)

40(23.1)

31(17.9)

26(15.0)

11(6.4)

14(8.1)

25(43.1)

10(17.2)

6(10.3)

6(10.3)

4(6.9)

7(12.1)

0.300

Private

10(5.8)

23(13.3)

27(15.6)

69(39.9)

26(15.0)

18(10.4)

6(10.3)

1(1.7)

3(5.2)

12(20.7)

7(12.1)

29(50.0)

<0.001*

  1. *: p < 0.001